summaryrefslogtreecommitdiffstats
path: root/fs/cifs/cifsglob.h
diff options
context:
space:
mode:
Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h28
1 files changed, 26 insertions, 2 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 7ea8a3393936..1a90bb3e2986 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -136,6 +136,8 @@ struct cifs_secmech {
struct sdesc *sdescmd5; /* ctxt to generate cifs/smb signature */
struct sdesc *sdeschmacsha256; /* ctxt to generate smb2 signature */
struct sdesc *sdesccmacaes; /* ctxt to generate smb3 signature */
+ struct crypto_aead *ccmaesencrypt; /* smb3 encryption aead */
+ struct crypto_aead *ccmaesdecrypt; /* smb3 decryption aead */
};
/* per smb session structure/fields */
@@ -208,7 +210,7 @@ struct cifsInodeInfo;
struct cifs_open_parms;
struct smb_version_operations {
- int (*send_cancel)(struct TCP_Server_Info *, void *,
+ int (*send_cancel)(struct TCP_Server_Info *, struct smb_rqst *,
struct mid_q_entry *);
bool (*compare_fids)(struct cifsFileInfo *, struct cifsFileInfo *);
/* setup request: allocate mid, sign message */
@@ -433,6 +435,14 @@ struct smb_version_operations {
bool (*dir_needs_close)(struct cifsFileInfo *);
long (*fallocate)(struct file *, struct cifs_tcon *, int, loff_t,
loff_t);
+ /* init transform request - used for encryption for now */
+ int (*init_transform_rq)(struct TCP_Server_Info *, struct smb_rqst *,
+ struct smb_rqst *);
+ /* free transform request */
+ void (*free_transform_rq)(struct smb_rqst *);
+ int (*is_transform_hdr)(void *buf);
+ int (*receive_transform)(struct TCP_Server_Info *,
+ struct mid_q_entry **);
};
struct smb_version_values {
@@ -1119,7 +1129,10 @@ struct cifs_readdata {
int (*read_into_pages)(struct TCP_Server_Info *server,
struct cifs_readdata *rdata,
unsigned int len);
- struct kvec iov;
+ int (*copy_into_pages)(struct TCP_Server_Info *server,
+ struct cifs_readdata *rdata,
+ struct iov_iter *iter);
+ struct kvec iov[2];
unsigned int pagesz;
unsigned int tailsz;
unsigned int credits;
@@ -1302,6 +1315,13 @@ typedef int (mid_receive_t)(struct TCP_Server_Info *server,
*/
typedef void (mid_callback_t)(struct mid_q_entry *mid);
+/*
+ * This is the protopyte for mid handle function. This is called once the mid
+ * has been recognized after decryption of the message.
+ */
+typedef int (mid_handle_t)(struct TCP_Server_Info *server,
+ struct mid_q_entry *mid);
+
/* one of these for every pending CIFS request to the server */
struct mid_q_entry {
struct list_head qhead; /* mids waiting on reply from this server */
@@ -1316,6 +1336,7 @@ struct mid_q_entry {
#endif
mid_receive_t *receive; /* call receive callback */
mid_callback_t *callback; /* call completion callback */
+ mid_handle_t *handle; /* call handle mid callback */
void *callback_data; /* general purpose pointer for callback */
void *resp_buf; /* pointer to received SMB header */
int mid_state; /* wish this were enum but can not pass to wait_event */
@@ -1323,6 +1344,7 @@ struct mid_q_entry {
bool large_buf:1; /* if valid response, is pointer to large buf */
bool multiRsp:1; /* multiple trans2 responses for one request */
bool multiEnd:1; /* both received */
+ bool decrypted:1; /* decrypted entry */
};
/* Make code in transport.c a little cleaner by moving
@@ -1475,7 +1497,9 @@ static inline void free_dfs_info_array(struct dfs_info3_param *param,
#define CIFS_OBREAK_OP 0x0100 /* oplock break request */
#define CIFS_NEG_OP 0x0200 /* negotiate request */
#define CIFS_OP_MASK 0x0380 /* mask request type */
+
#define CIFS_HAS_CREDITS 0x0400 /* already has credits */
+#define CIFS_TRANSFORM_REQ 0x0800 /* transform request before sending */
/* Security Flags: indicate type of session setup needed */
#define CIFSSEC_MAY_SIGN 0x00001